Dyfyniad APA

Jain. (1981). Environmental Impact Analysis. London: Litton Educational Publishing.

Dyfyniad Arddull Chicago

Jain. Environmental Impact Analysis. London: Litton Educational Publishing, 1981.

Dyfyniad MLA

Jain. Environmental Impact Analysis. London: Litton Educational Publishing, 1981.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.